To provide an energization control device suppressing erroneous detection of a ground fault in breaking a switch between systems when a ground fault occurrence is detected.SOLUTION: An energization control device D has switches 31a and 31b between systems (SW between systems) and a SW control circuit 40 as a switch control unit between systems. The SW between systems switches energization and breaking of current in a bus 30 between systems. The SW control circuit 40 controls an operation state of the SW between systems. The SW control circuit 40 acquires a discharge current value ISMR that is current discharged from a sub-power supply B20. Further, when the acquired discharge current value ISMR exceeds an overdischarge threshold value Ith, the SW control circuit 40 determines that a ground fault abnormality occurs and breaks the SW between systems.SELECTED DRAWING: Figure 2

    【課題】地絡発生を検知したら系統間スイッチを遮断するにあたり、地絡の誤検知抑制を図った通電制御装置を提供する。【解決手段】通電制御装置Dは、系統間スイッチ31a、31b(系統間SW)と、系統間スイッチ制御部としてのSW制御回路40と、を備える。系統間SWは、系統間バス30における電流の通電と遮断を切り替える。SW制御回路40は、系統間SWの作動状態を制御する。SW制御回路40は、サブ電源B20から放電される電流の大きさである放電電流値ISMRを取得する。さらにSW制御回路40は、取得した放電電流値ISMRが過放電閾値Ithを超えて上昇した場合に、地絡異常が生じているとみなして系統間SWを遮断する。【選択図】図2


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    Titel :

    ENERGIZATION CONTROL DEVICE AND POWER SUPPLY UNIT


    Weitere Titelangaben:

    通電制御装置および電源ユニット


    Beteiligte:

    Erscheinungsdatum :

    2021-03-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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